21788954

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{179}}^1\times {\mathrm{503}}^1$

素因数の和:706

約数の個数: 24

約数和(自身を含む): 36197280

約数和(自身を除く): 14408326

約数列:

[1, 2, 11, 22, 121, 179, 242, 358, 503, 1006, 1969, 3938, 5533, 11066, 21659, 43318, 60863, 90037, 121726, 180074, 990407, 1980814, 10894477, 21788954]

約数ペア:

[(1, 21788954), (2, 10894477), (11, 1980814), (22, 990407), (121, 180074), (179, 121726), (242, 90037), (358, 60863), (503, 43318), (1006, 21659), (1969, 11066), (3938, 5533)]